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Path: utzoo!henry
From: henry@utzoo.UUCP (Henry Spencer)
Newsgroups: net.unix
Subject: Re: Why no setuid for root in V7 kernel?
Message-ID: <5141@utzoo.UUCP>
Date: Fri, 1-Mar-85 20:37:09 EST
Article-I.D.: utzoo.5141
Posted: Fri Mar  1 20:37:09 1985
Date-Received: Fri, 1-Mar-85 20:37:09 EST
References: <115@peora.UUCP>
Organization: U of Toronto Zoology
Lines: 11

> In the V7 kernel, the SUID code under the comment "set SUID/SGID protections"
> in sys1.c sets the uid for a SUID file only if u.u_uid != 0.
> 
> Does anybody know why this is so?

We concluded quite a long time ago that, whatever the intent of this
code, the refusal to setuid for root was effectively a bug.  We fixed
it.  No problems.  I recommend that everyone else do so.
-- 
				Henry Spencer @ U of Toronto Zoology
				{allegra,ihnp4,linus,decvax}!utzoo!henry